Security Snapshot

MAGNACHIP SEMICONDUCTOR Corp - Common Stock, par value $0.01 per share (MX) Institutional Ownership

CUSIP: 55933J203

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

67

Shares (Excl. Options)

18,976,066

Price

$2.55

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Type / Class
Equity / Common Stock, par value $0.01 per share
Symbol
MX on NYSE
Shares outstanding
36,588,659
Price per share
$2.80
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
18,976,066
Total reported value
$48,544,651
% of total 13F portfolios
0%
Share change
-4,102,296
Value change
-$12,234,948
Number of holders
67
Price from insider filings
$2.80
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • MX - MAGNACHIP SEMICONDUCTOR Corp - Common Stock, par value $0.01 per share is tracked under CUSIP 55933J203.
  • 67 institutions reported positions in Q4 2025.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 67 to 15 between Q4 2025 and Q1 2026.
  • Reported value moved from $48,544,651 to $4,665,164.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 67 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 55933J203?
CUSIP 55933J203 identifies MX - MAGNACHIP SEMICONDUCTOR Corp - Common Stock, par value $0.01 per share in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of MAGNACHIP SEMICONDUCTOR Corp - Common Stock, par value $0.01 per share (MX) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Byreforge LLC 8.5% 0% $7,835,586 3,072,779 0% Byreforge LLC 14 Jan 2026
TORO 18 HOLDINGS LLC 8% $9,652,952 2,970,139 TORO 18 HOLDINGS LLC 23 Dec 2024
IMMERSION CORP 4.1% $4,350,392 1,500,135 TORO 18 HOLDINGS LLC 20 Mar 2026
Clearline Capital LP 4.1% -20% $3,725,642 -$1,119,807 1,461,036 -23% Clearline Capital LP 31 Dec 2025

As of 31 Dec 2025, 67 institutional investors reported holding 18,976,066 shares of MAGNACHIP SEMICONDUCTOR Corp - Common Stock, par value $0.01 per share (MX). This represents 52% of the company’s total 36,588,659 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of MAGNACHIP SEMICONDUCTOR Corp - Common Stock, par value $0.01 per share (MX) together control 46% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
OAKTREE CAPITAL MANAGEMENT LP 7.8% 2,849,858 0% 0.12% $7,267,137
IMMERSION CORP 5.1% 1,878,828 -32% 3.3% $4,791,011
Clearline Capital LP 4% 1,461,036 -23% 0.28% $3,725,642
AMERIPRISE FINANCIAL INC 4% 1,450,892 +1.3% 0% $3,699,775
MARSHALL WACE, LLP 3.5% 1,285,832 +47% 0% $3,278,873
DIMENSIONAL FUND ADVISORS LP 2.3% 827,859 -18% 0% $2,111,218
FIRST WILSHIRE SECURITIES MANAGEMENT INC 2% 732,857 +54% 0.47% $1,868,785
MORGAN STANLEY 2% 720,630 +5.6% 0% $1,837,607
STATE OF WISCONSIN INVESTMENT BOARD 1.6% 600,017 0% 0% $1,530,043
ACADIAN ASSET MANAGEMENT LLC 1.6% 581,856 +35% 0% $1,477,000
GOLDMAN SACHS GROUP INC 1.2% 420,817 -14% 0% $1,073,083
BRIDGEWAY CAPITAL MANAGEMENT, LLC 1.1% 408,895 -16% 0.02% $1,042,682
Potomac Capital Management, Inc. 1.1% 386,900 0% 0.83% $986,595
Polunin Capital Partners Ltd 0.92% 335,148 -3.7% 0.16% $1,015,000
BNP PARIBAS FINANCIAL MARKETS 0.9% 327,568 0% 0% $835,298
TWO SIGMA INVESTMENTS, LP 0.85% 312,664 +5.9% 0% $797,293
MILLENNIUM MANAGEMENT LLC 0.79% 288,837 +14% 0% $736,534
PRELUDE CAPITAL MANAGEMENT, LLC 0.69% 251,627 0.05% $641,649
VANGUARD GROUP INC 0.66% 239,694 -77% 0% $611,220
TWO SIGMA ADVISERS, LP 0.65% 237,938 -18% 0% $606,742
SILVERBACK ASSET MANAGEMENT LLC 0.6% 220,000 0% 0.08% $561,000
FourWorld Capital Management LLC 0.59% 216,108 0.52% $551,075
ODDO BHF ASSET MANAGEMENT SAS 0.59% 215,098 0% 0.02% $548,500
GSA CAPITAL PARTNERS LLP 0.58% 211,799 -26% 0.05% $540,000
BlackRock, Inc. 0.57% 208,592 -1.3% 0% $531,909

Institutional Holders of MAGNACHIP SEMICONDUCTOR Corp - Common Stock, par value $0.01 per share (MX) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 1,666,957 $4,665,164 -$1,425,416 $2.80 15
2025 Q4 18,976,066 $48,544,651 -$12,234,948 $2.55 67
2025 Q3 22,641,127 $70,882,855 -$3,044,456 $3.13 74
2025 Q2 23,480,558 $93,466,091 +$3,151,114 $3.98 90
2025 Q1 22,907,783 $78,292,133 -$3,133,316 $3.43 87
2024 Q4 23,741,565 $95,490,861 -$7,829,588 $4.02 81
2024 Q3 22,239,666 $103,949,925 -$2,717,425 $4.67 88
2024 Q2 22,543,801 $109,793,985 -$5,415,220 $4.87 89
2024 Q1 23,462,568 $130,919,727 -$38,366,295 $5.58 103
2023 Q4 28,480,742 $214,701,876 -$9,175,158 $7.50 122
2023 Q3 29,153,702 $242,265,580 -$7,240,389 $8.31 116
2023 Q2 29,918,107 $334,410,001 -$4,338,838 $11.18 114
2023 Q1 30,148,486 $279,773,171 -$5,812,724 $9.28 114
2022 Q4 31,096,086 $291,989,797 +$10,427,679 $9.39 115
2022 Q3 30,968,751 $317,120,408 -$7,823,881 $10.24 126
2022 Q2 31,112,987 $452,060,820 -$7,914,783 $14.53 126
2022 Q1 31,049,671 $525,044,797 -$19,628,488 $16.91 120
2021 Q4 31,797,480 $666,613,247 -$46,860,369 $20.97 130
2021 Q3 34,581,952 $612,673,951 -$10,225,100 $17.76 130
2021 Q2 34,455,913 $822,124,682 -$112,475,215 $23.86 146
2021 Q1 39,230,635 $976,845,584 +$145,651,253 $24.90 132
2020 Q4 34,957,881 $472,626,144 +$1,344,745 $13.52 110
2020 Q3 34,843,126 $477,349,037 +$28,888,343 $13.70 109
2020 Q2 33,301,308 $343,000,060 +$5,536,185 $10.30 106
2020 Q1 32,711,010 $361,302,000 -$3,907,278 $11.05 89
2019 Q4 32,967,483 $382,743,000 +$6,119,030 $11.61 92
2019 Q3 32,462,076 $329,260,000 +$19,955,935 $10.14 75
2019 Q2 30,489,282 $315,555,000 +$5,718,954 $10.35 80
2019 Q1 29,988,512 $221,940,000 -$311,959 $7.40 67
2018 Q4 30,450,372 $189,095,000 -$18,228,982 $6.21 64
2018 Q3 31,058,382 $307,479,000 -$9,746,307 $9.90 69
2018 Q2 31,999,968 $327,993,000 +$2,865,760 $10.25 78
2018 Q1 31,843,119 $306,052,240 -$10,380,123 $9.60 72
2017 Q4 32,759,483 $325,984,000 +$22,310,142 $9.95 74
2017 Q3 30,421,232 $345,263,000 -$8,265,591 $11.35 69
2017 Q2 31,817,290 $311,817,055 +$5,788,706 $9.80 61
2017 Q1 31,253,600 $298,473,000 +$25,120,626 $9.55 69
2016 Q4 28,878,973 $179,048,000 -$20,446,117 $6.20 63
2016 Q3 28,618,906 $238,676,000 +$3,557,492 $8.34 63
2016 Q2 28,298,142 $160,166,000 -$5,764,978 $5.66 52
2016 Q1 29,353,202 $159,522,000 -$13,198,915 $5.44 49
2015 Q4 31,831,126 $168,387,000 -$19,689,526 $5.29 42
2015 Q3 33,350,586 $220,011,000 +$8,823,044 $6.59 57
2015 Q2 31,784,323 $245,365,054 +$19,981,045 $7.72 55
2015 Q1 30,013,424 $164,061,038 -$69,701,760 $5.47 68
2014 Q4 30,760,673 $398,324,509 -$8,431,950 $12.99 85
2014 Q3 31,363,741 $365,358,367 -$5,422,712 $11.70 84
2014 Q2 31,156,079 $439,010,678 -$21,552,059 $14.10 92
2014 Q1 31,296,644 $435,636,110 -$12,254,517 $13.94 93
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